How far is Signal Mountain, TN from Johnson City, TN?
The driving distance from Signal Mountain, TN to Johnson City, TN is about 223.8 miles (360.2 km), with a travel time of about 03h 34m by car.
- The straight-line flight distance is about 186.8 miles (300.7 km).
- For a round trip, plan for roughly 07h 08m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 03h 34m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
A city in Williamson County, Tennessee.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Signal Mountain and Johnson City.
Turn-by-Turn Driving Directions
Step-by-step road directions between Signal Mountain and Johnson City.
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1
Start on Mississippi Avenue
58 m · 17 sec · Mississippi Avenue
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2
Turn sharp right onto Taft Highway
92 m · 7 sec · Taft Highway
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3
Continue on Signal Mountain Boulevard
3 mi · 4 min · Signal Mountain Boulevard
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4
Continue on Signal Mountain Road
1.6 mi · 2 min · Signal Mountain Road
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5
Take the ramp slight right
1828 ft · 45 sec
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6
Merge slight left
3.3 mi · 4 min
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7
Keep slight left
1273 ft · 20 sec
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8
Keep slight left to continue on I 24 East: Atlanta, Knoxville
6.6 mi · 9 min
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9
Keep slight left to continue on I 75 North: Knoxville
1.4 km · 1 min
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10
Merge slight left
99.2 mi · 1 hr 50 min
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11
Keep slight left
36.7 mi · 41 min
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12
Keep slight left to continue on I 81 North: Bristol
56.6 mi · 1 hr 1 min
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13
Take the exit slight right toward I 26 East, US 23 South: Johnson City, Asheville
2112 ft · 40 sec
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14
Merge slight left onto James H. Quillen Parkway
14 mi · 17 min · James H. Quillen Parkway
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15
Take the exit slight right toward TN 91
614 ft · 15 sec
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16
Turn right onto East Market Street
1705 ft · 38 sec · East Market Street
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17
Turn left onto Buffalo Street
977 ft · 32 sec · Buffalo Street
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18
Turn right
132 m · 32 sec
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19
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Signal Mountain and Johnson City.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 75 North
Merge slight left
99.2 mi · 01h 50m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Sunny leaving Signal Mountain and Sunny near Johnson City.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Signal Mountain to Johnson City?
The road trip is about 223.8 miles (360.2 km) and usually takes 03h 34m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Brentwood is a useful midpoint, sitting about 111.8 miles from Signal Mountain and 112 miles from Johnson City.
How much longer is the road route than the straight-line distance?
The direct path is about 186.8 miles (300.7 km), while the road route adds roughly 37 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 6:00 AM to 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 9:52 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $29.79 one way or $59.58 round trip. Estimated CO2 is about 70.2 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Signal Mountain and Sunny near Johnson City.
Flight Path Map
This map shows the direct air route between Signal Mountain and Johnson City. Straight-line distance: 186.83 mi (300.68 km).
#1 Signal Mountain
Town in Hamilton County, Tennessee, United States
| Population | 8,640 |
| Coordinates | 35.1225700, -85.3438500 |
| Altitude | 519 |
| Country | United States |
#2 Johnson City
The most populous city in Washington County, Tennessee.
| Population | 66,906 |
| Coordinates | 36.3134400, -82.3534700 |
| Altitude | 498 |
| Country | United States |
End: Cherry Street (-82.353659, 36.313645)
Estimated Travel Time
Distance: 360 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 27m |
| 40 mph (64.37 km/h) | 05h 35m |
| 50 mph (80.47 km/h) | 04h 28m |
| 60 mph (96.56 km/h) | 03h 43m |
| 70 mph (112.65 km/h) | 03h 11m |
| 80 mph (129 km/h) | 02h 47m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $29.79 | $59.58 |
| Mid-grade | $4.25 | $33.60 | $67.20 |
| Premium | $4.65 | $36.77 | $73.53 |
| Diesel | $5.30 | $41.90 | $83.80 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Tennessee · May 13, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.